81431124680160
81,431,124,680,160 is an even composite number composed of five prime numbers multiplied together.
81431124680160 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 81431124680160:
25 × 32 × 5 × 53 × 1066969663
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 53 × 1066969663)See below for interesting mathematical facts about the number 81431124680160 from the Numbermatics database.
Names of 81431124680160
- Cardinal: 81431124680160 can be written as Eighty-one trillion, four hundred thirty-one billion, one hundred twenty-four million, six hundred eighty thousand, one hundred sixty.
Scientific notation
- Scientific notation: 8.143112468016 × 1013
Factors of 81431124680160
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 10
- Sum of prime factors: 1066969726
Divisors of 81431124680160
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 53 60 72 80 90 96 106 120 144 159 160 180 212 240 265 288 318 360 424 477 480 530 636 720 795 848 954 1060 1272 1440 1590 1696 1908 2120 2385 2544 3180 3816 4240 4770 5088 6360 7632 8480 9540 12720 15264 19080 25440 38160 76320 1066969663 2133939326 3200908989 4267878652 5334848315 6401817978 8535757304 9602726967 10669696630 12803635956 16004544945 17071514608 19205453934 21339393260 25607271912 32009089890 34143029216 38410907868 42678786520 48013634835 51214543824 56549392139 64018179780 76821815736 85357573040 96027269670 102429087648 113098784278 128036359560 153643631472 169648176417 170715146080 192054539340 226197568556 256072719120 282746960695 307287262944 339296352834 384109078680 452395137112 508944529251 512145438240 565493921390 678592705668 768218157360 848240882085 904790274224 1017889058502 1130987842780 1357185411336 1536436314720 1696481764170 1809580548448 2035778117004 2261975685560 2544722646255 2714370822672 3392963528340 4071556234008 4523951371120 5089445292510 5428741645344 6785927056680 8143112468016 9047902742240 10178890585020 13571854113360 16286224936032 20357781170040 27143708226720 40715562340080 81431124680160
- Sum of all divisors σ(n): 283126802160384
- Sum of proper divisors (its aliquot sum) s(n): 201695677480224
- 81431124680160 is an abundant number, because the sum of its proper divisors (201695677480224) is greater than itself. Its abundance is 120264552800064
Bases of 81431124680160
- Binary: 100101000001111101010010100001010011101111000002
- Hexadecimal: 0x4A0FA9429DE0
- Base-36: SV4XX5880
Squares and roots of 81431124680160
- 81431124680160 squared (814311246801602) is 6631028066675763062297625600
- 81431124680160 cubed (814311246801603) is 539972073255114379550764679591527428096000
-
The
square root of 81431124680160 is 9023919.5852002139 -
The
cube root of 81431124680160 is 43344.1154390507
Scales and comparisons
How big is 81431124680160?- 81,431,124,680,160 seconds is equal to 2,589,257 years, 45 weeks, 5 days, 23 hours, 36 minutes.
-
To count from 1 to 81,431,124,680,160 would take you about six million, four hundred seventy-three thousand, one hundred forty-four years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 81431124680160 cubic inches would be around 3612 feet tall.
Recreational maths with 81431124680160
- 81431124680160 backwards is 06108642113418
- 81431124680160 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81431124680160's digits is 45
- More coming soon!
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